Embedded systems have the following characteristics:

Require small code size and can operate within limited storage space.

Application-oriented, can be cut and ported.

Used in specific fields, can support multitasking.

High reliability, timely response, can operate independently without human intervention.

High real-time performance, and requires solid-state storage.

Requires determinism and predictability before the system is put into operation.

Generally tested in multiple-choice questions.

BIT (Built-In Test) can complete fault detection and localization. It includes the following four types:

Power-On BIT: Self-test of all hardware resources when

Due to being sick for a week recently, this update is still in [Beta version]. Considering that the recent 618 promotion is coming up, we will update another version next week, aiming to include more recommended models in the list.

Hot Article Guide| Click the title to read

How can programmers break through and improve themselves in the winter of the Internet?

If you suddenly get laid off, what is your Plan B?

The difference between employees who leave within 3 months and those who leave after about 2 years is beyond your imagination!

Author: Cat Eating Fish

Link: https://juejin.im/post/5d4bdb23e51d453c2577b747

ARDUINO NANO

ARDUINO MEGA

Last time we had a brief introduction to ESP32 and the official examples. For more in-depth understanding, you can visit the official website of Anxin Ke.

Of course, it has a clock speed of up to 240MHz, external FLASH of 4M, which is sufficient for use, and it also comes with WIFI and Bluetooth, along with about 40 IO ports.

The most important thing is that the ESP32S model development board is only 27 yuan, and it includes free shipping.

After buying it,

In this tutorial, I will tell you how to quickly make your own low-costArduino Mini CNC plotter.The plotter in the picture is an improved version, and I have made certain enhancements to the structure and accuracy of the original plotter. Read this article carefully, and I believe you can easily manage your own Arduino Mini plotter.

2025-01-14